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A joint service of the UK Ag Weather Center and the National Weather Service.
, U.S.
Current Agriculture, Lawn & Garden Weather Conditions in Kentucky Based on observations at 700pm EDT, Tuesday August 18, 2026 Across Kentucky...temperatures are near 88 degrees west, near 81 degrees central, and near 80 degrees east. Current sky conditions are sunny west, sunny central, and sunny east. In the west, relative humidity is near 46%, and the dew point is near 65 degrees. The heat index is near 90 degrees west. In the central part of the state, relative humidity is near 50%, and the dew point is near 61 degrees. In the east, relative humidity is near 62%, and the dew point is near 66 degrees. Current drying conditions are good west, fair central, and fair east. The livestock heat stress category is danger west, no stress central, and no stress east. Winds are variable at 3 mph west, where conditions are favorable for spraying. Winds are from the northwest at 7 mph central, where conditions are favorable for spraying. Winds are calm east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 88 degrees at Paducah and Hopkinsville. The lowest temperature is 80 degrees at Jackson and Covington.
Current NOWCAST not available: Nowcasts are not issued routinely during fair weather. Only when precipitation or other significant weather is occuring in this county will these forecasts be issued. Currently, there is no short term forecast in effect. UKAWC Radar, NWS Radar (NEW!), SPC Radar, Regional Radar, NEXRAD, LSI Heat Index Hazardous Weather Outlook For JEFFERSON County, Kentucky Issued at: Sat May 2 02:29:58 PM EDT 2026
229 PM EDT Sat May 2 2026 /129 PM CDT Sat May 2 2026/ This Hazardous Weather Outlook is for portions of southern Indiana and central Kentucky. .DAY ONE...Tonight. Temperatures bottoming out in the 30s tonight likely will lead to frost formation in many locations. Thus a Frost Advisory is in effect. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. && More information, along with other weather, hydrological and climate information can be found, at weather.gov/louisville.
RDF forecast not available 
NEW NWS Experimental Weather Activity Planner:
West,
Central,
East
NWS Experimental Point Forecasts (5 km x 5 km grid for Kentucky):
West,
Central,
East JEFFERSON County, Kentucky Agriculture, Lawn & Garden Weather Advisory TODAY (6AM-5PM) Max Temperature...........................61 degrees.Precipitation (liq. eq. )...................0.00 inches (No rainfall). Precipitation area .........................0% of the county expected. Dewpoints.......................................29 to 34 Degrees. Min RH (Relative Humidity).........37%. Wind Speed....................................4 to 10 mph Winds@3 PM..................................northeast at 10 mph Spraying Conditions....................favorable Sky Conditions @9 AM ...............mostly sunny. RH < 50%........................................ for 7 hours RH > 80%.........................................for 0 hour No. of Hours Temp <=32 .............0 No. of Hours Temp <= 20 .............0 No. of Hours Temp <= 0 ...............0 The high today (6am-5pm) in Jefferson county, is expected to be near 61 degrees. No rainfall is expected. Temperature will range from near 39 to near 60 degrees. Dewpoints will range from 29 to 34 degrees. These dewpoints will combine with today (6am-5pm)'s temperatures resulting in relative humidity minimum of 37%. Skies will be mostly sunny at 9 AM and mostly sunny at 3 PM. Wind speed will range from 4 to 10 mph during the period. Winds at 3 PM will be out of the northeast at 10 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 7 hours and greater than 80% for 0 hour TONIGHT (6PM-5AM) Min Temperature...........................38 degrees.Precipitation (liq. eq. )...................0.00 inches (No rainfall). Precipitation area .........................0% of the county expected. Dewpoints.......................................near 34 Degrees. Max RH (Relative Humidity)........76%. Wind Speed....................................2 to 8 mph Winds@3 AM..................................northeast at 3 mph Spraying Conditions....................favorable Sky Conditions @12 AM .............clear. Sky Conditions @3 AM ...............clear. RH < 50%........................................ for 1 hour RH > 80%.........................................for 0 hour No. of Hours Temp <=32 .............0 No. of Hours Temp <= 20 .............0 No. of Hours Temp <= 0 ...............0 The low tonight (6pm-5am) in Jefferson county, is expected to be around 38 degrees. No rainfall is expected. Temperature will range from near 41 to near 53 degrees. Dewpoints will be near 34 degrees. These dewpoints will combine with tonight (6pm-5am)'s temperatures resulting in relative humidity maximum of 76%. Skies will be clear at 12 AM and clear at 3 AM. Wind speed will range from 2 to 8 mph during the period. Winds at 3 AM will be out of the northeast at 3 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 1 hour and greater than 80% for 0 hour TOMORROW (6AM-5PM) Max Temperature...........................64 degrees.Precipitation (liq. eq. )...................0.00 inches (No rainfall). Precipitation area .........................0% of the county expected. Dewpoints.......................................34 to 42 Degrees. Min RH (Relative Humidity).........41%. Wind Speed....................................2 to 5 mph Winds@3 PM..................................southeast at 3 mph Spraying Conditions....................favorable Sky Conditions @9 AM ...............mostly sunny. Sky Conditions @3 PM ...............mostly sunny. RH < 50%........................................ for 5 hours RH > 80%.........................................for 2 hours No. of Hours Temp <=32 .............0 No. of Hours Temp <= 20 .............0 No. of Hours Temp <= 0 ...............0 The high tomorrow (6am-5pm) in Jefferson county, is expected to be near 64 degrees. No rainfall is expected. Temperature will range from near 41 to near 64 degrees. Dewpoints will range from 34 to 42 degrees. These dewpoints will combine with tomorrow (6am-5pm)'s temperatures resulting in relative humidity minimum of 41%. Skies will be mostly sunny at 9 AM and mostly sunny at 3 PM. Wind speed will range from 2 to 5 mph during the period. Winds at 3 PM will be out of the southeast at 3 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 5 hours and greater than 80% for 2 hours TOMORROW NIGHT (6PM-5AM) Min Temperature...........................46 degrees.Precipitation (liq. eq. )...................0.00 inches (No rainfall). Precipitation area .........................0% of the county expected. Dewpoints.......................................42 to 44 Degrees. Max RH (Relative Humidity)........89%. Wind Speed....................................2 to 3 mph Winds@3 AM..................................south at 2 mph Spraying Conditions....................favorable Sky Conditions @12 AM .............mostly clear. Sky Conditions @3 AM ...............mostly clear. RH < 50%........................................ for 0 hour RH > 80%.........................................for 3 hours No. of Hours Temp <=32 .............0 No. of Hours Temp <= 20 .............0 No. of Hours Temp <= 0 ...............0 The low tomorrow night (6pm-5am) in Jefferson county, is expected to be around 46 degrees. No rainfall is expected. Temperature will range from near 47 to near 59 degrees. Dewpoints will range from 42 to 44 degrees. These dewpoints will combine with tomorrow night (6pm-5am)'s temperatures resulting in relative humidity maximum of 89%. Skies will be mostly clear at 12 AM and mostly clear at 3 AM. Wind speed will range from 2 to 3 mph during the period. Winds at 3 AM will be out of the south at 2 mph, which is favorable spraying conditions in rain-free areas. Relative humidity will be less than 50% for 0 hour and greater than 80% for 3 hours 72 HOUR SUMMARY The temperature is expected to be in the range from 38 degrees and 67 degrees. Dewpoints will range from 29 to 47 degrees. No measurable precipitation is expected.
Extended Digital forecast not available Current FORECAST not available
TWC Forecast,
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NGM 60 Hr Forecast Meteograms:
Paducah ,
Evansville ,
Bowling Green ,
Hopkinsville ,
Frankfort ,
Louisville ,
Lexington ,
Covington ,
Jackson ,
London, All Kentucky Hourly Model Guidance,
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Kentucky Agricultural Weather Medium-Range Outlook (Based on the MEX Model) MEDIUM RANGE AG FORECAST: - Click
here for Graphical Ag. Weather Forecast - SATURDAY : SATURDAY : SATURDAY : SATURDAY : SATURDAY : SATURDAY : Raw Data: MEX(west),
MEX(central),
MEX(east)
Medium & Long Range Outlook For Kentucky
KENTUCKY
---------------------------------------------
6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY
AUG 24-28 AUG 26-SEP 1 JUN JUN-AUG
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Temperature: Above Normal
Precipitation: Normal Normal
.... Medium and long range outlooks provided by NCEP/K. Thomas Priddy
UKAWC 8 Day Forecast Maps, TWC Jet, 15-Day Jet,Trend, Max/Mins (80k) 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day OutlookPRECIPITATION is not available
List of Kentucky Weather Stations (1st Order & Ag. stations) Rainfall
UKAWC Regional Ag Weather Summary (Select Format):
Spring ,
Summer ,
Fall Drought Status For JEFFERSON County, Kentucky (Based on the latest Palmer Drought Severity and Crop Moisture Indices) CENTRAL KY CLIMATE DIVISION Hydrological Drought (PDSI) Situation: ------------------------------------------------------------------------------------ Current Long-term Hydrological Moisture Status: NEAR NORMAL (PDSI= 0.18) Rainfall Needed: 0.00 inches ABOVE NORMAL Crop Moisture (CMI) Situation: ---------------------------------------------------------------------------------------------------------- Current Short-term Crop Moisture Status: Favorable For Normal Growth And Fieldwork (CMI= 0.17) Change From Previous Week: DRIER SOILS ( -0.08) Note: Due to rainfall variability within each climate division, check Precip Reports/GIS Estimates and the Kentucky Climate Summary for the latest moisture information for this county.
Kentucky CLIMATE summary not available. Kentucky Climate Summaries:
Last 3 days,
7 days,
14 days,
21 days,
30 days Yesterday's Weather Data, Kentucky Climate Analysis, Kentucky Climate in Review (2005)GIS ESTIMATES FOR JEFFERSON COUNTY Valid July 29, 2013
The GIS estimates are derived by ARC/INFO GIS software for a
central point in the county. The estimates are calculated from
from 29 weather stations in the Kentucky area.
Precipitation Estimates
Last 3 Last 7 Last 14 Last 30 Since
Days Days Days Days Jan 1
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Precip Total 0.03 1.89 2.16 5.77 28.78
Precip Deviation -0.41 0.87 0.13 1.47 1.66
Temperature Estimates
Last 3 Last 7 Last 14 Last 30
Days Days Days Days
_____________________________________________________________________
Temp Average 71 74 79 77
Temp Deviation -5 -2 3 1
Soil Temperature Estimates
Yesterday
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Avg 4" Sod Soil Temp 76
European Corn Borer Degree Days Accumulations
Degree Days Forecasted Accumulations
Total 550 610 750 1660 1740
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2140 5/10 5/13 5/21 6/28 7/1
Almanac Information
Sunrise/Sunset/Moonrise/Moonset Computation (USN)
Yesterday's Weather Observation Report: (liquid equivalent based on 7PM to 7PM observations.)
The nearest available weather station for Jefferson County is Louisville:
AIR TEMP
STATION MX MN PRECIP
Bardstown 86 71 0.11
Berea 85 71 0.00
Louisville 86 71 0.29
Yesterday's U.S. Highs,
Lows ,
KY's Highs/Lows/Precip,
Daily Weather Data,
Hourly Weather Data
Historical Weather And Climate Facts For Today ////////////////////////// AUGUST 18TH...HISTORIC WEATHER EVENTS ...1925... During the late morning hours a severe hailstorm struck southeastern Iowa completely destroying crops along a path six to ten miles wide and 75 miles long. The hail also injured and killed poultry and livestock, and caused a total of 2.5 million dollars damage. The hailstorm flattened fields of corn to such an extent that many had to leave their farms in search of other work. It was one of the worst hailstorms of record for the nation. (The Weather Channel) ...1983... Hurricane Alicia, a category 3 storm made landfall near Galveston. Winds gusted to 130 mph with a storm surge of 12 feet. 22 tornadoes were spawned. Parts of Houston received 11 inches of rain. 12 people died and 1800 were injured. Total damage estimated at $3 billion. (NWS Louisville) ...1987... Thirteen cities in the eastern U.S. reported record high temperatures for the date, including Orlando FL with a reading of 98 degrees, and Portland ME with a high of 94 degrees. Newark NJ reached 90 degrees for the thirty-sixth time of the year, their second highest total of record. (The National Weather Summary) ...1988... Twenty-two cities, from the Carolinas to the Upper Ohio Valley, reported record high temperatures for the date, pushing the total number of daily record highs since the first of June above the 1100 mark. Afternoon highs of 102 degrees at Greensboro NC and 105 degrees at Raleigh NC equalled all-time records. Evening thunderstorms in Montana produced wind gusts to 75 mph at Scobey. (The National Weather Summary) (Storm Data) ...1989... Thunderstorms over the Middle Atlantic Coast Region and the Upper Ohio Valley produced torrential rains in eastern Virginia during the late morning and afternoon hours. Totals ranged up to twelve inches at Yorktown. Williamsburg VA was deluged with 10.78 inches of rain between 6 AM and 10 AM, with 6.72 inches reported in just two hours. Flash flooding caused nearly twelve million dollars damage in Accomack County VA. Early evening thunderstorms in the Central High Plains Region produced walnut size hail and wind gusts to 80 mph around Casper WY. Thunderstorms produced locally heavy rains in the Yellowstone Park area, causing fifteen mudslides. (The National Weather Summary) (Storm Data) ...1995... At 1 pm Bowling Green recorded an exceptionally high dew point of 81 degrees. (NWS Louisville)UKAWC Briefing Page
Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky | |||||||||||
